Extreme Heat Warning — Stewart, TN, Montgomery, TN, Houston, TN, Humphreys, TN, Dickson, TN, Perry, TN, Hickman, TN, Lewis, TN, Wayne, TN, Lawrence, TN 8:00 PM Heat Advisory — Stewart, TN, Montgomery, TN, Houston, TN, Humphreys, TN, Dickson, TN, Perry, TN, Hickman, TN, Lewis, TN, Wayne, TN, Lawrence, TN, Robertson, TN, Sumner, TN, Macon, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, TN, Williamson, TN, Maury, TN, Marshall, TN, Rutherford, TN, Bedford, TN, Giles, TN 8:00 PM

Perry County, Middle Tennessee, Tennessee, United States

Last updated: 4:29 AM CDT  ·  Refresh
23°C
Feels like 26°
Heavy Rain
▲ 36°  /  ▼ 22°
Wind
8 mph NE
Humidity
94%
Dew Point
22°
Pressure
29.27 inHg
Visibility
7 mi
UV Index
0.0
Cloud Cover
98%
Sunrise
5:55 AM
Sunset
7:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Perry County is currently heavy rain at 23°C. Precipitation is likely — peak probability 64% around 5 AM. Atmospheric instability is elevated (CAPE up to 3817 J/kg) — isolated convective development possible. Sunrise: 5:55AM · Sunset: 7:59PM.

Alerts

Extreme Heat Warning
Stewart, TN, Montgomery, TN, Houston, TN, Humphreys, TN, Dickson, TN, Perry, TN, Hickman, TN, Lewis, TN, Wayne, TN, Lawrence, TN
Expires 8:00 PM
Heat Advisory
Stewart, TN, Montgomery, TN, Houston, TN, Humphreys, TN, Dickson, TN, Perry, TN, Hickman, TN, Lewis, TN, Wayne, TN, Lawrence, TN, Robertson, TN, Sumner, TN, Macon, TN, Cheatham, TN, Davidson, TN, Wilson, TN, Trousdale, TN, Smith, TN, Williamson, TN, Maury, TN, Marshall, TN, Rutherford, TN, Bedford, TN, Giles, TN
Expires 8:00 PM
45 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
62%
5 AM
22°
64%
6 AM
22°
59%
7 AM
22°
56%
8 AM
24°
42%
9 AM
26°
41%
10 AM
27°
26%
11 AM
29°
26%
12 PM
31°
27%
1 PM
34°
24%
2 PM
34°
25%
3 PM
35°
18%
4 PM
34°
18%
5 PM
34°
19%
6 PM
33°
19%
7 PM
32°
19%
8 PM
31°
20%
9 PM
28°
20%
10 PM
28°
9%
11 PM
27°
9%
12 AM
27°
3%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
7-Day Forecast
Today
36° 22°
Heavy Rain, 62% chance.
Tue
37° 25°
Mostly Clear with a 51% chance of rain.
Wed
33° 19°
Mostly Cloudy with a 24% chance of rain.
Thu
31° 18°
Clear with a 33% chance of rain.
Fri
29° 19°
Rain, 64% chance.
Sat
30° 18°
Rain, 90% chance.
Sun
28° 19°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Heavy Rain 62% 8 mph NE 94%
5 AM 22° Rain 64% 4 mph E 94%
6 AM 22° Heavy Rain 59% 4 mph SE 94%
7 AM 22° Heavy Rain 56% 4 mph SE 92%
8 AM 24° Mostly Cloudy 42% 5 mph SSW 87%
9 AM 26° Partly Cloudy 41% 6 mph SW 82%
10 AM 27° Mostly Clear 26% 6 mph WSW 77%
11 AM 29° Clear 26% 5 mph WSW 73%
12 PM 31° Clear 27% 5 mph W 68%
1 PM 34° Clear 24% 5 mph W 64%
2 PM 34° Mostly Clear 25% 5 mph WNW 62%
3 PM 35° Mostly Clear 18% 4 mph WNW 60%
4 PM 34° Mostly Clear 18% 4 mph WNW 60%
5 PM 34° Mostly Clear 19% 3 mph WNW 65%
6 PM 33° Mostly Clear 19% 2 mph W 70%
7 PM 32° Mostly Clear 19% 3 mph SW 75%
8 PM 31° Partly Cloudy 20% 3 mph SSW 78%
9 PM 28° Partly Cloudy 20% 3 mph SSW 80%
10 PM 28° Partly Cloudy 9% 3 mph SSW 82%
11 PM 27° Partly Cloudy 9% 4 mph SSW 83%
12 AM 27° Partly Cloudy 3% 4 mph SSW 84%
1 AM 27° Partly Cloudy 3% 4 mph SSW 84%
2 AM 26° Partly Cloudy 3% 4 mph SSW 84%
3 AM 26° Partly Cloudy 3% 4 mph SSW 85%
15-Day Forecast
Today
7/27
Heavy Rain
62%
22°
36°
Tue
7/28
Mostly Clear
51%
25°
37°
Wed
7/29
Mostly Cloudy
24%
19°
33°
Thu
7/30
Clear
33%
18°
31°
Fri
7/31
Rain
64%
19°
29°
Sat
8/1
Rain
90%
18°
30°
Sun
8/2
Drizzle
53%
19°
28°
Mon
8/3
Rain
69%
19°
32°
Tue
8/4
Rain
68%
20°
33°
Wed
8/5
Drizzle
51%
21°
33°
Thu
8/6
Drizzle
60%
22°
34°
Fri
8/7
Drizzle
60%
22°
34°
Sat
8/8
Drizzle
60%
22°
34°
Sun
8/9
Drizzle
60%
22°
33°
Mon
8/10
Drizzle
60%
21°
33°
45
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
45 AQI 8.2 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 45 Good 33 45
Tue 52 Moderate 32 52
Wed 47 Good 36 47
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Mon Jul 27, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE426 J/kg
MLCAPE611 J/kg
MUCAPE2053 J/kg
SBCIN-148 J/kg
MLCIN0 J/kg
Lifted Index-2.3
Kinematics
0–6 km Shear31 kt
0–1 km Shear7 kt
Eff. Shear30 kt
0–1 km SRH-38
0–3 km SRH-80
Eff. SRH-80
Storm Motion287° @ 21 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.5
Thermo & Levels
PWAT2.42 in
0–3 km LR4.1 °C/km
700–500 LR6.2 °C/km
Total Totals50.6
LCL979 hPa
LFC680 hPa
EL244 hPa
Freezing Lvl14,616 ft